User Manual - pancroma

60. Image Post Processing________________________________________________________________PANCROMA TM also offers a selection of image post processing utilities, asdescribed below:Color AdjustmentThis utility allows fine-tuning the color image without recomputing the transforms.The utility may be used to adjust color images immediately after pan sharpeningor compositing. Alternatively, images may be reloaded later for post processing.To use the utility, either process or load a color image. If you are loading one,select ‘File’ | ‘Open’ and then ‘Display Files’ | ’Display One Color CompositeImage’ from the menu. When the image appears, select ‘Post Process’ | ‘ColorAdjust’ from the menu. An image processing form will appear. The left handimage is the base image and the right hand image will preview your adjustmentsbefore applying the changes to the full image.There are three sliders in the center of the form, one for each of the red, greenand blue channels. They allow you to add or subtract up to 255 from eachchannel. Once you set the slider position, you can select ‘Update Color Chip’ toapply the changes to the adjust image on the right. You can modify the adjustimage as many times as you like. Once you are satisfied with your settings, clickthe ‘Apply to Image’ button and the changes dictated by the slider positions andshown in the adjust image will be applied to the full image. Alternatively, select‘Cancel’ to exit the form without making any changes to the image. If you make amistake or don’t like the result you must close or exit and start over.There are navigation arrows at the lower right of the form. Use these to movethe base and adjust windows up and down and across the image.208